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Protection against omicron (B.1.1.529) BA.2 reinfection conferred by primary omicron BA.1 or pre-omicron SARS-CoV-2 infection among health-care workers with and without mRNA vaccination: a test-negative case-control study

September 2022

Carazo S, Skowronski DM, Brisson M, Barkati S, Sauvageau C, Brousseau N, Gilca R, Fafard J, Talbot D, Ouakki M, Gilca V, Carignan A, Deceuninck G, De Wals P, De Serres G

The Lancet ID 2023;23(1):45-55. https://doi.org/10.1016/S1473-3099(22)00578-3.